July 05, 1879

Purchase To Read More

Digital Issue ?Read or download this issue’s articles online. *A printed copy of this issue is not included. $7.99

Print + Digital All Access Subscription ?Read or download this issue’s articles online. Plus, subscribe to get Print, Online and Tablet access to the next 12 new issues to be released as well as Online access to archives back to 1845. $99.00

Features

The Kansas Whirlwinds

A New Theory of the Earth's Magnetic Poles

Magnetizing Molten Iron

A Patent Right Discussion in England

“Scientific Credulity”

The Diseases of Building Timber

Objections to Self-Propelling Fire Engines

The Prospects of Tea Culture

Recent American Patents

New Electric Lamp

Luedtge's Universal Telephone

Hydriodic Acid

Pneumatic Clock

Recent Mechanical Inventions

A Novel Rotary Pump

The Thick-Thighed Walking Stick

By C. V. Riley

The Elephant Shrew

An Inventor Victorious

New Device for Separating Cream from Milk

Improved Anchor

Engineering Inventions - July 5, 1879

An Old Concern Re-Established

Communications Received - July 5, 1879

Departments

Departments

Correspondence - July 5, 1879

Business and Personal - July 5, 1879

Notes and Queries - July 5, 1879

New Books and Publications - July 5, 1879

Index of Inventions - July 5, 1879

Patents - July 5, 1879

Purchase To Read More

Digital Issue ?Read or download this issue’s articles online. *A printed copy of this issue is not included. $7.99

Print + Digital All Access Subscription ?Read or download this issue’s articles online. Plus, subscribe to get Print, Online and Tablet access to the next 12 new issues to be released as well as Online access to archives back to 1845. $99.00

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www.springernature.com/us). Scientific American maintains a strict policy of editorial independence in reporting developments in science to our readers.